This workshop service manual covers the 550 TRV models produced for the 2012 and 2013 model years. The 550 TRV is an all-terrain vehicle designed for both utility and recreational touring, featuring a 545cc liquid-cooled, single-cylinder engine with EFI, a CVT transmission with Hi/Lo range and reverse, and on-demand 4WD with front differential lock. Its independent suspension and hydraulic disc brakes provide capable handling and reliable stopping power, while the TRV designation indicates a design accommodating two-up riding. Known for its strong value proposition, the 550 TRV competes effectively in the utility ATV segment, offering a robust platform for various terrains and tasks. This comprehensive English-language manual provides detailed information for the maintenance, repair, and troubleshooting of your 550 TRV. It covers all major systems, including the engine, fuel, cooling, exhaust, transmission, drivetrain, suspension, brakes, steering, and electrical systems. Included are step-by-step repair procedures, preventative maintenance schedules, diagnostic guidance, and essential technical specifications such as torque values and wiring diagrams. This resource is designed to assist owners, technicians, and mechanics in ensuring the optimal performance, reliability, and longevity of the vehicle. 🏷️ Basic Information Identification Make: Arctic Cat Model: 550 TRV Model Variant: TRV (Terrain, Recreation, Vàh) Model Years Covered: 2012, 2013 Product Type: Workshop Service Manual Document Format: PDF Download 👋 Introduction Market Position Category: All-Terrain Vehicle (ATV) Segment: Utility/Recreational Touring (TRV designation implies two-up riding capability). Competitive Analysis Competitors: Competes with models from Polaris (e.g., Sportsman Touring), Can-Am (e.g., Outlander Max), and Yamaha (e.g., Grizzly EPS 4x4). Known for a strong value proposition in its class. Key Features Engine Type: Liquid-cooled, 4-stroke, SOHC, V-twin (though often marketed as single cylinder for simplicity, the 550cc often refers to a single cylinder configuration with a powerful torque band). Transmission: CVT (Continuously Variable Transmission) with Hi/Lo range and reverse. Drivetrain: On-Demand 4WD with front differential lock. Suspension: Independent front and rear suspension, often with adjustable shocks for ride comfort and load capacity. Braking System: Hydraulic disc brakes on all wheels. Seating: TRV designation signifies 'Terrain, Recreation, Vhicule' likely indicating a two-up capable design with passenger seat and footpegs. 📋 Manual Details Coverage Areas Comprehensive Systems: Yes Page Count Total Pages: 153 Manual Type Type: Workshop Service Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete engine assembly, disassembly, diagnosis, and repair for the 550cc engine. Fuel System: Fuel pump, injectors, throttle body, fuel lines, fuel tank, and fuel filter service. Cooling System: Radiator, coolant hoses, thermostat, fan, and water pump inspection and service. Exhaust System: Muffler, catalytic converter (if applicable), and exhaust pipe inspection and replacement. Transmission: CVT system (Drive clutch, Driven clutch), gearbox, and differential service and repair. Drivetrain: Driveshafts, U-joints, CV boots, front and rear differential, and axle service. Suspension: Front and rear suspension components, shock absorbers, control arms, bushings, and bearings. Brakes: Hydraulic brake system, calipers, brake pads, rotors, brake lines, master cylinder, and bleeding procedures. Steering: Handlebars, steering column, tie rods, ball joints, and knuckle assembly service. Electrical System: Battery, starter, alternator, ignition system, lighting, wiring diagrams, sensors, and ECUs. Chassis Frame: Frame inspection, welds, and structural components. Body Panels: Fenders, body plastics, racks, seat, and fairings removal and installation. Accessories: Winch installation and operation, lighting accessories, and rack systems. Procedures Included Preventative Maintenance: Scheduled maintenance tasks, fluid changes, filter replacements, lubrication, and pre-ride checks. Troubleshooting: Diagnostic procedures for common and uncommon issues across all systems. Repair Procedures: Step-by-step instructions for component disassembly, repair, reassembly, and adjustment. Component Replacement: Detailed guidance for replacing wear items and major components. Torque Specifications: Essential torque values for critical fasteners across all systems. Wiring Diagrams: Comprehensive electrical schematics for fault finding and component identification. Technical Depth Depth: Full workshop level, covering routine maintenance to complete engine and drivetrain rebuilds. 📊 Manual Specifications File Format Quality: High-resolution PDF, suitable for digital viewing and printing. Print Quality Print Readability: Optimized for printing, with clear text and legible diagrams. Binding Type Binding: N/A (Digital PDF Download) Paper Type Paper: N/A (Digital PDF Download) ⚙️ Engine Specifications Primary Engine Engine Displacement: 545cc (550cc class) Engine Configuration: Single-cylinder, liquid-cooled, 4-stroke, SOHC, 4-valve. Bore X Stroke: 92 mm x 82 mm (typical for this displacement) Compression Ratio: 10.2:1 (typical) Performance Horsepower: Approx. 35-40 HP (estimated, actual figures may vary by market and tuning). Torque: Strong low-end and mid-range torque, characteristic of this engine size for utility tasks. Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded gasoline, 87 octane or higher. Lubrication Oil Type: SAE 10W-40 Synthetic Motorcycle/ATV Oil (API SG or higher recommended). Oil Capacity: Approx. 2.4 L (2.5 US qt) with filter change (refer to manual for exact capacity). 🔧 Transmission Standard Type: Automatic CVТ (Continuously Variable Transmission) Gear Selection: High (H), Low (L), Neutral (N), Reverse (R), Park (P). Features Engine Braking: Effective engine braking provided...